serial_socket.py: fixes to parallel_port; head docstring.
serial_socket.py: docstrings
pygame_android.py: docstrings
representation.py: docstrings
protect.py: head docstring
flow.py: docstrings
protect.py: head docstring
fp.py: docstrings
fp.py: head docstring
graphics.py: docstrings
tokenise.py: docstrings
vartypes.py: docstrings
util.py: docstrings
fix regression on CLS with no arguments
var.py: docstrings
util.py: head docstring
video_pygame.py: docstrings
video_none: docstrings
video_curses.py: docstrings
video_wconio.py: docstrings